Safety relay from Pepperl+Fuchs
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Safety relay from Pepperl+Fuchs
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 Pepperl+Fuchs 096045 PF KFA6-ER-1.5 electrode relay sensitivity 1-30 kOhm
v_shortname: Conductive switching amplifier, signal type: binary input, number of channels: 1, field side signal: resistance, control side type: 1x relay (changeover contact), transmission direction: ...Lieske Part No.: 1051851 Mfg Part No: 096045 Type: KFA6-ER-1.5 |
192,82 EUR
 ≈ £164.67 | ≈ $219.43
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Pepperl+Fuchs 096046 PF KFA6-ER-1.6 electrode relay
v_shortname: Conductive switching amplifier, signal type: binary input, number of channels: 1, field side signal: resistance, control side type: 1x relay (changeover contact), transmission direction: ... Lieske Part No.: 1051852 Mfg Part No: 096046 Type: KFA6-ER-1.6 |
192,82 EUR
≈ £164.67 | ≈ $219.43
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Pepperl+Fuchs 115163 PF KFA6-ER-EX1.W.LB electrode relay
v_shortname: Conductive switching amplifier, device offers intrinsically safe circuits for device protection level: Ga , Gb , Gc, signal type: binary input, number of channels: 1, field side signal: ... Lieske Part No.: 105095 Mfg Part No: 115163 Type: KFA6-ER-EX1.W.LB |
375,48 EUR
≈ £320.66 | ≈ $427.30
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Pepperl+Fuchs 115619 PF KFA6-ER-1.W.LB electrode relay
v_shortname: Conductive switching amplifier, signal type: binary input, number of channels: 1, field side signal: resistance, control side type: 2x relay (changeover), transmission direction: to the ... Lieske Part No.: 1051850 Mfg Part No: 115619 Type: KFA6-ER-1.W.LB |
242,04 EUR
≈ £206.70 | ≈ $275.44
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Pepperl+Fuchs 217732 PF KFD2-ER-EX1.W.LB Electrode relay
v_shortname: Conductive switching amplifier, device offers intrinsically safe circuits for device protection level: Ga , Gb , Gc, signal type: binary input, number of channels: 1, field side signal: ... Lieske Part No.: 1053735 Mfg Part No: 217732 Type: KFD2-ER-EX1.W.LB |
391,56 EUR
≈ £334.39 | ≈ $445.60
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Pepperl+Fuchs 217734 PF KFD2-ER-2.W.LB Electrode relay KFD2-ER-2.W.LB
v_shortname: Conductive switching amplifier, signal type: binary input, number of channels: 2, field side signal: resistance, control side type: 2x relay (changeover), transmission direction: to the ... Lieske Part No.: 1053736 Mfg Part No: 217734 Type: KFD2-ER-2.W.LB |
321,48 EUR
≈ £274.54 | ≈ $365.84
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Pepperl+Fuchs 217735 PF KFD2-ER-1.W.LB Electrode relay
v_shortname: Conductive switching amplifier, signal type: binary input, number of channels: 1, field side signal: resistance, control side type: 2x relay (changeover), transmission direction: to the ... Lieske Part No.: 1053737 Mfg Part No: 217735 Type: KFD2-ER-1.W.LB |
262,52 EUR
≈ £224.19 | ≈ $298.75
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Pepperl+Fuchs 254566 VMC-2+P/Z2-0,3M-PUR-V1-G Ventilstecker
Ventilstecker Form A, Z-Diode LED 2-polig+PE auf M12-Stecker gewinkelt A-kodiert 3-polig, PVC-Kabel schwarz Länge: 0,3 m Verkaufseinheit: 1 ST. Lieske Part No.: 893899 Mfg Part No: 254566 Type: VMC-2+P/Z2-0,3M-PUR-V1-G |
22,14 EUR
≈ £18.91 | ≈ $25.20
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Pepperl+Fuchs 456869 VMA-3+P/L1-0,6M-PUR-V1-G Ventil-Verbindungskabel
Ventilstecker Form A, 3-polig+PE 2x LED auf M12-Stecker gerade A-kodiert 5-polig, PUR-Kabel schwarz, sVentilstecker Form A, 3-polig+PE 2x LED auf M12-Stecker gerade A-kodiert 5-polig, PUR-Kabel ... Lieske Part No.: 893900 Mfg Part No: 456869 Type: VMA-3+P/L1-0,6M-PUR-V1-G |
28,72 EUR
≈ £24.53 | ≈ $32.68
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Pepperl+Fuchs 70194774 HR-605571 Stabelektrode 5-fachStabelektrode 5-fach
Verkaufseinheit: 1 ST. Lieske Part No.: 893897 Mfg Part No: 70194774 Type: HR-605571 |
1.296,72 EUR
≈ £1,107.40 | ≈ $1,475.67
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Standards and Directives for Safety Relays
The selection and use of safety switching devices is clearly governed by international standards and EU directives.
| ISO 13849-1 – Performance Level Defines requirements for safety-related parts of control systems (SRP/CS). The standard specifies 5 Performance Levels (PL a to PL e) and describes how to calculate them using category, MTTF, DC and CCF. The primary standard for machine builders in the EU. | IEC 62061 – Safety Integrity Level Standard for safety-related electrical control systems in industry. Assesses safety functions via Safety Integrity Level (SIL 1 to 3) based on PFH values (probability of dangerous failure per hour). Used alongside or as an alternative to ISO 13849. | EN 60947-5-1 – Low-Voltage Switchgear Product standard for electromechanical control devices. Governs technical requirements for control and signalling circuits, switching devices and positively guided contacts. Basis for CE marking of safety relays. | ||
| Machinery Directive 2006/42/EC EU directive establishing essential health and safety requirements for machinery. Safety relays are frequently part of the evidence for the declaration of conformity. From 2027 it will be replaced by the Machinery Regulation (EU) 2023/1230. | IEC 61810-3 – Positively Guided Contacts Defines requirements for electromechanical elementary relays with positively guided contacts. The positive guidance ensures that NC and NO contacts can never be closed simultaneously – the fundamental principle of relay safety. | EN 574 – Two-Hand Controls Safety standard specifically for two-hand controls. Defines three types (I, II, III) with different levels of protection. Type III C (simultaneous actuation, anti-defeat) is the highest level and is required for presses and stamping machines. | ||
Performance Level vs. Safety Integrity Level
Both metrics describe the ability of a safety function to prevent a dangerous failure – calculated according to different standards.
| PL (ISO 13849) | SIL (IEC 62061) | PFH Range (failures/h) | Typical Application |
| PL a | – | ≥ 10⁻⁵ to < 10⁻⁴ | Simple guards, low risk categories |
| PL b | SIL 1 | ≥ 10⁻⁶ to < 10⁻⁵ | Simple guards, minor injury risk |
| PL c | SIL 1 | ≥ 10⁻⁷ to < 10⁻⁶ | Safety gates, simple guard rails, medium risks |
| PL d | SIL 2 | ≥ 10⁻⁸ to < 10⁻⁷ | Emergency stop, interlocked safety gates, light curtains |
| PL e | SIL 3 | ≥ 10⁻⁹ to < 10⁻⁸ | Highest requirements: presses, robot cells, ATEX zones |
Single-Channel vs. Dual-Channel Evaluation
The number of channels is decisive for the achievable Performance Level and fault tolerance of the safety function.
► Single-Channel Evaluation (Category B, 1, 2)
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⚠ Dual-Channel Evaluation (Category 3, 4)
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Related Categories in the Shop
Further products from the Industrial Relays and Contactors range at Industry-Electronics.
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► Industrial Relays Standard switching relays and coupling relays for general switching tasks in automation and control engineering. |
► Industrial Timing Relays Timing relays for start-up delays, run-down functions and cyclic control tasks in automation technology. |
► Contactors Power contactors and motor protection switches for safe switching of drives, motors and loads up into the kW range. |
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► Isolating Switches / Measuring Relays Transducer relays, monitoring relays and isolating amplifiers for process automation and plant engineering. |
► Electronic Components Electronic control and regulation modules, voltage monitors and control relays for industrial control tasks. |
► All Industrial Relays & Contactors To the complete range of the Industrial Relays and Contactors category with all sub-sections. |
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⚠ Safety Relay Technical Support
Uncertain about which safety relay is right for your application? Our technical team advises on device selection, Performance Level, wiring concepts and standards compliance – personally and without detours. +49 (0)7666 / 88499-0 | sales@industry-electronics.com |